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Message-ID: <7416c812-f452-9c23-9d0c-37eac0174231@lca.pw>
Date:   Thu, 10 Jan 2019 20:30:55 -0500
From:   Qian Cai <cai@....pw>
To:     Esme <esploit@...tonmail.ch>
Cc:     James Bottomley <jejb@...ux.ibm.com>,
        "dgilbert@...erlog.com" <dgilbert@...erlog.com>,
        "martin.petersen@...cle.com" <martin.petersen@...cle.com>,
        "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>
Subject: Re: PROBLEM: syzkaller found / pool corruption-overwrite / page in
 user-area or NULL



On 1/10/19 5:58 PM, Esme wrote:
> The console debug/stacks/info from just now.  The previous config, current kernel from github.
> --
> Esme
> 
> [   75.783231] kasan: CONFIG_KASAN_INLINE enabled
> [   75.785870] kasan: GPF could be caused by NULL-ptr deref or user memory access
> [   75.787695] general protection fault: 0000 [#1] SMP KASAN
> [   75.789084] CPU: 0 PID: 3434 Comm: systemd-journal Not tainted 5.0.0-rc1+ #5
> [   75.790938] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.11.1-1ubuntu1 04/01/2014
> [   75.793150] RIP: 0010:rb_insert_color+0x189/0x1480

What's in that line? Try,

$ ./scripts/faddr2line vmlinux rb_insert_color+0x189/0x1480

What's steps to reproduce this?

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